10320090 has 48 divisors (see below), whose sum is σ = 27234144. Its totient is φ = 2500960.

The previous prime is 10320067. The next prime is 10320091. The reversal of 10320090 is 9002301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10320091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2209 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (567378).

Almost surely, 2^10320090 is an apocalyptic number.

10320090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10320090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13617072).

10320090 is an abundant number, since it is smaller than the sum of its proper divisors (16914054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10320090 is a wasteful number, since it uses less digits than its factorization.

10320090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875 (or 2864 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 10320090 is about 3212.4896886994. The cubic root of 10320090 is about 217.7180795883.

Adding to 10320090 its reverse (9002301), we get a palindrome (19322391).

The spelling of 10320090 in words is "ten million, three hundred twenty thousand, ninety".